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APS » Journals » Phys. Rev. Lett. » Volume 74 » Issue 19
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Phys. Rev. Lett. 74, 3776–3779 (1995)

Coherence Control of High-Order Harmonics

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Pascal Salières1, Anne L'Huillier1,2, and Maciej Lewenstein1,3
1Service des Photons, Atomes, et Molécules, Centre d'Etudes de Saclay, 91191 Gif-sur-Yvette, France
2Department of Physics, Lund Institute of Technology, P.O. Box 118, S-221 00 Lund, Sweden
3Institute for Theoretical Atomic and Molecular Physics, Harvard University, Cambridge, Massachusetts 02138

Received 15 November 1994; published in the issue dated 8 May 1995

We study the conditions for optimal coherence of harmonics emitted by atoms in strong laser fields. The variation of the phase of the atomic dipole moment induces a dramatic dependence of the spatial and spectral coherence on the focusing geometry. However, these coherence properties can be controlled and optimized by moving the laser focus position relative to the nonlinear medium.

© 1995 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.74.3776
DOI:
10.1103/PhysRevLett.74.3776
PACS:
32.80.Rm, 42.65.Ky
 
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